Metal bellows are flexible metal junctures for connecting machine components that might need to expand or move. They are typically manufactured by forming tubes of sheet metal, but this process relies on tooling that limits design possibilities and can make the bellows costly. Mechanical engineer Günter Kappler has developed metal bellows that can instead be manufactured via laser powder bed fusion. After designing and 3D printing multiple iterations of these parts, Kappler ultimately landed on a solution that looks quite different from a standard round bellows, but has performed comparably in testing. See the design (as well as some other iterations created along the way) and learn what it takes to 3D print flexible metal components in this episode.
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LEARN MORE ABOUT
Günter Kappler Engineering www.kappler-en...
Hirschvogel Group, the German automotive company that helped with 3D printing the metal bellows www.hirschvoge...
Another example of flexible metal 3D printed components (in this case, the flexibility is achieved through the use of a shape memory alloy) www.additiveman...
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